Express $0.000064$ in standard form.

Express $0.000064$ in standard form.
  1. $6.4 \times 10^{-4}$
  2. $6.4 \times 10^{-5}$
  3. $64 \times 10^{-6}$
  4. $6.4 \times 10^{5}$

Solution

Move the decimal 5 places to the right to get $6.4$, so $0.000064 = 6.4 \times 10^{-5}$.

Asked in: NSO

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